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MCQs

Total Questions : 189 | Page 3 of 19 pages
Question 21. The stress function was introduced by __________
  1.    G.B Airy
  2.    Terzaghi
  3.    Darcy
  4.    Meyerhof
 Discuss Question
Answer: Option A. -> G.B Airy
Answer: (a).G.B Airy
Question 22. The modulus of elasticity in MPa for very soft clay is __________
  1.    2-15
  2.    15-60
  3.    50-81
  4.    100-200
 Discuss Question
Answer: Option A. -> 2-15
Answer: (a).2-15
Question 23. The σₓ in terms of stress function is given by __________
  1.    \(\frac{∂Φ}{∂z}\)
  2.    \(\frac{∂^2 Φ}{∂z^2}\)
  3.    \(\frac{∂^2 Φ}{∂x2}\)
  4.    \(\frac{∂Φ}{∂x}\)
 Discuss Question
Answer: Option B. -> \(\frac{∂^2 Φ}{∂z^2}\)
Answer: (b).\(\frac{∂^2 Φ}{∂z^2}\)
Question 24. The range of Poisson’s ratio μ for loess is _________
  1.    0.1-0.3
  2.    0.4-0.5
  3.    0.3-0.35
  4.    0.9-1
 Discuss Question
Answer: Option A. -> 0.1-0.3
Answer: (a).0.1-0.3
Question 25. The σz in terms of stress function is given by __________
  1.    \(\frac{∂Φ}{∂z}\)
  2.    \(\frac{∂^2 Φ}{∂z^2}\)
  3.    \(\frac{∂^2 Φ}{∂x^2}\)
  4.    \(\frac{∂Φ}{∂x}\)
 Discuss Question
Answer: Option C. -> \(\frac{∂^2 Φ}{∂x^2}\)
Answer: (c).\(\frac{∂^2 Φ}{∂x^2}\)
Question 26. On simplifying the compatibility equation in terms of stresses with respect to Poisson’s ratio is given by _________
  1.    σz=γz
  2.    σx=σy=\(\frac{μ}{1-μ}γz\)
  3.    σx=σy=\(\frac{1}{μ} γz\)
  4.    σx=σy=μγz
 Discuss Question
Answer: Option B. -> σx=σy=\(\frac{μ}{1-μ}γz\)
Answer: (b).σx=σy=\(\frac{μ}{1-μ}γz\)
Question 27. The problems due to stress distribution in soils due to a concentrated load was studied by _____________
  1.    G.B Airy
  2.    Terzaghi
  3.    Darcy
  4.    Boussinesq
 Discuss Question
Answer: Option D. -> Boussinesq
Answer: (d).Boussinesq
Question 28. At a certain point within soil mass, the stresses are caused only because of surface loadings.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 29. If z-axis is considered to be directed downward from ground surface, then the stress component in y-axis at a point at a depth z due to self weight of soil above it is ___________
  1.    \(σ_y=\frac{1}{1-μ}γz\)
  2.    σy=μγz
  3.    \(σ_y=\frac{μ}{1-μ}\)
  4.    \(σ_y=\frac{μ}{1-μ}γz \)
 Discuss Question
Answer: Option D. -> \(σ_y=\frac{μ}{1-μ}γz \)
Answer: (d).\(σ_y=\frac{μ}{1-μ}γz \)
Question 30. If z-axis is considered to be directed downward from ground surface, then the stress component in z-axis at a point at a depth z due to self weight of soil above it is ___________
  1.    σz=γz
  2.    σz=μγz
  3.    σz=\(\frac{μ}{1-μ}\)
  4.    σz=\(\frac{μ}{1-μ}γz \)
 Discuss Question
Answer: Option A. -> σz=γz
Answer: (a).σz=γz

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